Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

Scientists believe the most likely explanation is that the massive star was in a close orbit with a black hole. Over time, ...

The most striking science photos of the week: including the Perseid meteor shower and glowing underwater wonders.

One of these hot plasma channels tunnels through the heated plasma like a ‘back road’ into the galaxy, seemingly stretching ...

Scientists have discovered a peculiar supernova that may have resulted from a star's misguided attempt to swallow a black hole. The new case, soon to be published in The Astrophysical Journal, ...

In the search for signs of life on what seemed like a promising little exoplanet, astronomers’ hopes have dimmed.

Astronomers have discovered the most distant confirmed black hole, hidden inside a rare galaxy known as a “Little Red Dot.” Its enormous size and early existence challenge current theories about how ...

Researchers at Max Planck Institute have discovered a mysterious network of interstellar channels connecting Solar System to ...

A black hole’s bizarre "heartbeat" is forcing astronomers to reconsider how these cosmic heavyweights behave.

Astronomers using the Chandra X-ray Observatory and other telescopes "have determined that a giant black hole has destroyed a ...

The simplest explanation — that Punctum is an extreme example of something familiar — hasn’t been ruled out. A magnetar in an unusual environment, a supernova remnant tangled with dense material, or ...

As Roman’s launch approaches, Rose and his team’s Hourglass Simulation provides a crucial preview of the telescope’s ...